From a7f4a3ec5baeb53a08d0bb40136cc86dfc2e1d27 Mon Sep 17 00:00:00 2001
From: rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Tue, 11 Oct 2005 22:24:36 +0000
Subject: [PATCH]         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.    
     * tree-ssa-dce.c: Include tree-scalar-evolution.h.        
 (tree_ssa_dce_loop): Call scev_reset.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@105266 138bc75d-0d04-0410-961f-82ee72b054a4
---
 gcc/ChangeLog      | 4 ++++
 gcc/Makefile.in    | 3 ++-
 gcc/tree-ssa-dce.c | 3 ++-
 3 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 091ceb8..88834b6 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,9 @@
 2005-10-11  Richard Henderson  <rth@redhat.com>
 
+	* Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
+	* tree-ssa-dce.c: Include tree-scalar-evolution.h.
+	(tree_ssa_dce_loop): Call scev_reset.
+
 	PR tree-opt/24300
 	* Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
 	* tree-ssa-dce.c: Include cfgloop.h.
diff --git a/gcc/Makefile.in b/gcc/Makefile.in
index e72eef9..5bc2811 100644
--- a/gcc/Makefile.in
+++ b/gcc/Makefile.in
@@ -2230,7 +2230,8 @@ mode-switching.o : mode-switching.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
 tree-ssa-dce.o : tree-ssa-dce.c $(CONFIG_H) $(SYSTEM_H) $(TREE_H) \
     $(RTL_H) $(TM_P_H) $(TREE_FLOW_H) $(DIAGNOSTIC_H) $(TIMEVAR_H) $(TM_H) \
     coretypes.h $(TREE_DUMP_H) tree-pass.h $(FLAGS_H) $(BASIC_BLOCK_H) \
-    $(GGC_H) hard-reg-set.h $(OBSTACK_H) $(TREE_GIMPLE_H) $(CFGLOOP_H)
+    $(GGC_H) hard-reg-set.h $(OBSTACK_H) $(TREE_GIMPLE_H) $(CFGLOOP_H) \
+    $(SCEV_H)
 tree-ssa-ccp.o : tree-ssa-ccp.c $(TREE_FLOW_H) $(CONFIG_H) \
    $(SYSTEM_H) $(RTL_H) $(TREE_H) $(TM_P_H) $(EXPR_H) $(GGC_H) output.h \
    $(DIAGNOSTIC_H) function.h $(TIMEVAR_H) $(TM_H) coretypes.h \
diff --git a/gcc/tree-ssa-dce.c b/gcc/tree-ssa-dce.c
index 6ad8cf2..ebdbc25 100644
--- a/gcc/tree-ssa-dce.c
+++ b/gcc/tree-ssa-dce.c
@@ -65,6 +65,7 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
 #include "timevar.h"
 #include "flags.h"
 #include "cfgloop.h"
+#include "tree-scalar-evolution.h"
 
 static struct stmt_stats
 {
@@ -947,6 +948,7 @@ tree_ssa_dce_loop (void)
 {
   perform_tree_ssa_dce (/*aggressive=*/false);
   free_numbers_of_iterations_estimates (current_loops);
+  scev_reset ();
 }
 
 static void
@@ -1023,4 +1025,3 @@ struct tree_opt_pass pass_cd_dce =
     | TODO_verify_flow,			/* todo_flags_finish */
   0					/* letter */
 };
-
-- 
2.7.4